CN116381564A - Medium-voltage ring main unit capable of automatically detecting fault points - Google Patents
Medium-voltage ring main unit capable of automatically detecting fault points Download PDFInfo
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- CN116381564A CN116381564A CN202310650452.3A CN202310650452A CN116381564A CN 116381564 A CN116381564 A CN 116381564A CN 202310650452 A CN202310650452 A CN 202310650452A CN 116381564 A CN116381564 A CN 116381564A
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- 238000001514 detection method Methods 0.000 claims abstract description 138
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000000670 limiting effect Effects 0.000 claims description 43
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the technical field of ring main units, in particular to a medium-voltage ring main unit for automatically detecting fault points, which comprises a cabinet body, wherein a plurality of cables for connecting electrical equipment are arranged in the cabinet body, a detection substrate is arranged in the cabinet body, a traveling assembly, an obstacle avoidance transmission assembly and a detection assembly are arranged in a detection shell, the traveling assembly is used for driving the detection shell to reciprocate along the cables, the detection assembly is connected with the traveling assembly, the detection assembly synchronously moves along with the traveling assembly to realize automatic scanning detection of the cables, and the automatic obstacle avoidance function of the detection assembly is realized through the obstacle avoidance transmission assembly in the moving process of the traveling assembly. The walking assembly can drive the detection shell to move along the cable, the scanning ring can perform a non-contact detection process on a current signal of the cable and position a fault point, and meanwhile, the detection wheel can perform a continuous contact detection process to detect the damage condition, so that an automatic scanning detection function is realized.
Description
Technical Field
The invention relates to the technical field of ring main units, in particular to a medium-voltage ring main unit capable of automatically detecting fault points.
Background
The ring main unit is an electric device with a group of power transmission and distribution electric devices arranged in a metal or nonmetal insulating cabinet body or made into an assembled interval ring main unit, and the core part of the ring main unit adopts a load switch and a fuse, and has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. It is widely used in distribution stations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like, and box-type substations.
The looped netowrk cabinet cable is the important part of connecting each electrical equipment in the looped netowrk cabinet, and the cable can appear the circumstances such as damage ageing or transmission unusual trouble in the use, consequently need to carry out periodic maintenance detection work to the looped netowrk cabinet cable, current detection mode is mostly through the handheld detection instrument of electric power staff carries out manual detection, not only can't realize real-time detection, and detection efficiency is low, and electric power staff's intensity of labour is big moreover.
Disclosure of Invention
The invention aims to provide a medium-voltage ring main unit capable of automatically detecting fault points, and aims to solve the technical problems.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a fault point automated inspection's middling pressure looped netowrk cabinet, includes the cabinet body, the internal cable that is used for connecting electrical equipment that is provided with of cabinet, the internal detection base plate that is provided with of cabinet, the detection casing that a plurality of intervals set up of fixed mounting on the detection base plate, the detection mouth that supplies the cable to pass is all offered at the upper end both ends of detection casing, every the cable one-to-one runs through corresponding detection casing, be provided with the slide rail on the lateral wall of the internal both sides of cabinet, detection base plate both ends adaptation slidable mounting is on the slide rail.
The detection device comprises a detection shell and is characterized in that a walking assembly, an obstacle avoidance transmission assembly and a detection assembly are arranged inside the detection shell, the walking assembly is used for driving the detection shell to reciprocate along a cable, the detection assembly is connected with the walking assembly, the detection assembly moves synchronously along with the walking assembly to realize automatic scanning detection of the cable, and the automatic obstacle avoidance function of the detection assembly is realized through the obstacle avoidance transmission assembly in the moving process of the walking assembly.
As a further scheme of the invention: the walking assembly comprises a fixed support, walking wheels, a driving wheel and a walking motor, wherein the fixed support is fixedly connected with a detection shell, two ends of each walking wheel are rotatably installed between the fixed support, a gap for a cable to pass through is formed between each walking wheel and the corresponding driving wheel, the walking motor is fixedly arranged on one side of the fixed support, the output end of the walking motor is connected with a driving gear, one end of each walking wheel is sleeved with a driven gear, and the driving gear is meshed with the driven gear.
As a further scheme of the invention: the two ends of the driving wheel are rotatably connected with limiting shafts, limiting grooves are formed in two sides of the fixing support, the limiting shafts are slidably mounted in the limiting grooves in an adaptive mode, and a reset spring is arranged between the limiting shafts and the limiting grooves.
As a further scheme of the invention: the obstacle avoidance transmission assembly comprises a limit sliding table, a sliding seat, a driving rod and a transmission rod, wherein the limit sliding table is fixedly arranged on the outer side of a fixed support, the sliding seat is adapted to be slidably mounted in the limit sliding table, a yielding groove matched with the limiting groove is formed in the limit sliding table, a limiting shaft penetrates through the yielding groove and is fixedly connected with the sliding seat, a containing cavity is formed in the sliding seat, the bottom of the driving rod stretches into the containing cavity and is connected with the sliding seat, the top of the driving rod is in running fit with the transmission rod, the transmission rod is adapted to be slidably mounted in a sliding sleeve, the sliding sleeve is fixedly arranged on the fixed support, and the sliding displacement direction of the transmission rod is perpendicular to that of the sliding seat.
As a further scheme of the invention: the sliding seat is provided with a first chute, the limiting sliding table is provided with a second chute perpendicular to the first chute, and two sides of the bottom end of the driving rod are simultaneously in sliding fit with the first chute and the second chute through driving pins.
As a further scheme of the invention: the detection assembly comprises two semicircular detection tables which are symmetrically arranged, a scanning ring is arranged on the inner wall of each detection table, the bottoms of the two ends of each detection table are rotationally connected with one end of a connecting rod, the other ends of the connecting rods are rotationally matched with the top ends of transmission rods, the tops of the two ends of each detection table are rotationally connected with a detection support through torsion springs, and detection wheels are rotationally arranged in the detection support.
As a further scheme of the invention: the two ends of the detection table are provided with guide rods in a sliding penetrating mode, the two ends of the guide rods are fixedly connected with the detection shell, and the two detection tables do opposite linear motion along the guide rods.
The invention has the beneficial effects that:
(1) The walking assembly can drive the detection shell to move along the cable, in the moving process, the scanning ring can carry out a non-contact detection process on a current signal of the cable, when the current signal is abnormal at a fault point position, the scanning ring can position the fault point position, and meanwhile, the detection support is always subjected to the torsion elastic force of the torsion spring, so that the detection wheel is always abutted against the cable, the continuous contact detection process of the detection wheel is ensured, and the automatic scanning detection function is realized;
(2) When the sliding seat is in the sliding process, the bottom end of the driving rod is subjected to the limiting action of the first chute and the second chute simultaneously, the driving rod is limited by the constraint of the second chute in the sliding process along the first chute, so that the driving rod drives the driving rod to slide up and down in the sliding sleeve, when the driving rod slides upwards under the driving of the driving rod, the driving rod can drive the detection tables at two ends to be away from each other through the connecting rod, a distance can be left between the detection tables which are originally close to each other, so that the protruding cable nodes on the cable can smoothly pass through between the detection tables, and the automatic obstacle avoidance function is realized.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the installation of the detection housing of the present invention;
FIG. 3 is a schematic view showing the internal structure of the detection housing according to the present invention;
FIG. 4 is a schematic view of the construction of the walking assembly of the present invention;
FIG. 5 is a schematic view of the obstacle avoidance transmission assembly of the present invention;
FIG. 6 is a schematic diagram of the structure of the detecting module according to the present invention.
In the figure: 1. a cabinet body; 11. a slide rail; 2. a cable; 3. detecting a substrate; 4. a detection housing; 41. a detection port; 5. a walking assembly; 51. a fixed bracket; 511. a limit groove; 52. a walking wheel; 53. a driving wheel; 531. a limiting shaft; 54. a walking motor; 55. a drive gear; 56. a driven gear; 57. a return spring; 6. obstacle avoidance transmission components; 61. a limit sliding table; 611. a relief groove; 612. a second chute; 62. a sliding seat; 621. a receiving chamber; 622. a first chute; 63. a driving rod; 64. a transmission rod; 65. a sliding sleeve; 66. a connecting rod; 7. a detection assembly; 71. a detection table; 72. a scan ring; 73. detecting a bracket; 74. a detection wheel; 75. and a guide rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, the invention discloses a medium voltage ring main unit for automatically detecting fault points, which comprises a main unit 1, wherein a plurality of cables 2 for connecting electrical equipment are arranged in the main unit 1, and the medium voltage ring main unit is characterized in that a detection substrate 3 is arranged in the main unit 1, a plurality of detection shells 4 arranged at intervals are fixedly arranged on the detection substrate 3, detection openings 41 for the cables 2 to pass through are respectively arranged at two ends of the upper end of the detection shell 4, each cable 2 correspondingly passes through the corresponding detection shell 4 one by one, sliding rails 11 are arranged on the side walls of two sides of the inside of the main unit 1, and two ends of the detection substrate 3 are in adaptive sliding installation on the sliding rails 11.
As shown in fig. 3, the detection housing 4 is internally provided with a walking component 5, an obstacle avoidance transmission component 6 and a detection component 7, the walking component 5 is used for driving the detection housing 4 to reciprocate along the cable 2, the detection component 7 is connected with the walking component 5, the detection component 7 moves synchronously along with the walking component 5 to realize automatic scanning detection of the cable 2, and the walking component 5 moves in-process to realize an automatic obstacle avoidance function of the detection component 7 through the obstacle avoidance transmission component 6.
Specifically, the walking assembly 5 is used for providing a power source for the detection housing 4 to reciprocate along the cable 2, and when the detection housing 4 moves along the cable 2, the detection assembly 7 can scan and detect the cable 2 along a moving path, so that a fault point on the cable 2 can be checked, automatic detection is realized, and in the process, when the walking assembly 5 passes through a connecting node of the cable 2, the detection assembly 7 can be driven by the obstacle avoidance transmission assembly 6 to perform corresponding obstacle avoidance actions, so that the detection process of the cable 2 is prevented from being influenced by a protruding node, and the automatic obstacle avoidance function of the detection process is realized.
It should be noted that the travelling rates of the travelling assemblies 5 in the plurality of detection housings 4 should be kept consistent, so that the detection substrate 3 can move linearly along the sliding rail 11, and the detection substrate 3 is ensured not to incline and deviate in the moving process, and the synchronous detection process of the plurality of groups of cables 2 is realized due to the interval arrangement of the plurality of detection housings 4, so that the detection efficiency is effectively improved.
As shown in fig. 4, the walking assembly 5 includes a fixed support 51, a walking wheel 52, a driving wheel 53 and a walking motor 54, the fixed support 51 is fixedly connected with the detection housing 4, two ends of the walking wheel 52 are rotatably installed between the fixed support 51, a gap for a cable 2 to pass through is formed between the walking wheel 52 and the driving wheel 53, the walking motor 54 is fixedly arranged on one side of the fixed support 51, an output end of the walking motor 54 is connected with a driving gear 55, one end of the walking wheel 52 is sleeved with a driven gear 56, and the driving gear 55 is in toothed engagement with the driven gear 56.
As shown in fig. 4 and 5, two ends of the driving wheel 53 are rotatably connected with a limiting shaft 531, two sides of the fixed bracket 51 are provided with limiting grooves 511, the limiting shaft 531 is slidably mounted in the limiting grooves 511 in an adaptive manner, and a reset spring 57 is arranged between the limiting shaft 531 and the limiting grooves 511.
Specifically, the traveling motor 54 is started to drive the driving gear 55 to rotate, the driving gear 55 drives the driven gear 56 to rotate, so that the traveling wheel 52 rotates and travels along the cable 2, as the cable 2 passes through the gap between the traveling wheel 52 and the driving wheel 53, when the traveling wheel 52 travels to a connection node on the cable 2, the protruding node will push the driving wheel 53 outwards, at this time, the limiting shaft 531 will slide along the limiting groove 511 and squeeze the reset spring 57, when the traveling wheel 52 completely spans the connection node, the driving wheel 53 will reset under the elastic force of the reset spring 57 and is attached to the cable 2 again, and the traveling wheel 52 continues to travel in cooperation.
As shown in fig. 5, the obstacle avoidance transmission assembly 6 includes a limit sliding table 61, a sliding seat 62, a driving rod 63 and a transmission rod 64, the limit sliding table 61 is fixedly arranged on the outer side of the fixed support 51, the sliding seat 62 is adapted to be slidably mounted in the limit sliding table 61, the limit sliding table 61 is provided with a yielding groove 611 matched with the limiting groove 511, the limiting shaft 531 passes through the yielding groove 611 and is fixedly connected with the sliding seat 62, a containing cavity 621 is arranged in the sliding seat 62, the bottom of the driving rod 63 extends into the containing cavity 621 and is connected with the sliding seat 62, the top end of the driving rod 63 is in running fit with the transmission rod 64, the transmission rod 64 is adapted to be slidably mounted in the sliding sleeve 65, the sliding sleeve 65 is fixedly arranged on the fixed support 51, and the sliding displacement direction of the transmission rod 64 is perpendicular to the sliding displacement direction of the sliding seat 62.
As shown in fig. 5, the sliding seat 62 is provided with a first chute 622, the limit sliding table 61 is provided with a second chute 612 perpendicular to the first chute 622, and two sides of the bottom end of the driving rod 63 are simultaneously in sliding fit with the first chute 622 and the second chute 612 through driving pins.
Specifically, when the driving wheel 53 is pushed by the protruding node on the cable 2, the limiting shaft 531 slides in the limiting groove 511, and drives the sliding seat 62 to slide in the limiting sliding table 61, and because the first chute 622 and the second chute 612 are perpendicular to each other, the bottom end of the driving rod 63 is limited by the limiting action of the first chute 622 and the second chute 612 in the sliding process of the sliding seat 62, and the driving rod 63 is limited by the constraint of the second chute 612 in the sliding process along the first chute 622, so that the driving rod 63 drives the driving rod 64 to slide up and down in the sliding sleeve 65, and the horizontal sliding of the sliding seat 62 is converted into the vertical sliding of the driving rod 64 by using the first chute 622, the second chute 612 and the driving rod 63.
As shown in fig. 6, the detecting assembly 7 includes two symmetrically arranged semicircular detecting platforms 71, a scanning ring 72 is arranged on the inner wall of each detecting platform 71, bottoms of two ends of each detecting platform 71 are rotatably connected with one end of a connecting rod 66, the other end of each connecting rod 66 is rotatably matched with the top end of a transmission rod 64, tops of two ends of each detecting platform 71 are rotatably connected with a detecting bracket 73 through torsion springs, and detecting wheels 74 are rotatably mounted on the detecting brackets 73.
As shown in fig. 6, the two ends of the detection table 71 are slidably provided with guide rods 75, the two ends of the guide rods 75 are fixedly connected with the detection housing 4, and the two detection tables 71 move linearly along the guide rods 75 in opposite directions.
Specifically, when the transmission rod 64 slides upwards under the driving of the driving rod 63, the transmission rod 64 drives the detection platforms 71 at two ends to be far away from each other through the connecting rod 66, so that a distance is left between the originally close detection platforms 71, and the protruding cable 2 nodes on the cable 2 can smoothly pass through between the detection platforms 71, thereby realizing the automatic obstacle avoidance function. Meanwhile, since the detection support 73 is connected with the detection table 71 through the torsion spring, the detection support 73 is always subjected to the torsion spring action of the torsion spring, so that the detection wheel 74 is always attached to the cable 2, when the detection wheel passes through the protruding connection node, the detection support 73 deflects corresponding to the opposite movement process of the detection table 71, so that the detection wheel 74 can perform continuous contact type detection process, the position where the breakage occurs on the cable 2 can be detected and positioned, and in the opposite process, the scanning ring 72 can perform non-contact type detection process on the current signal of the cable 2, and when the current signal is abnormal at the position of the fault point, the scanning ring 72 can position the position of the fault point, thereby realizing the automatic scanning detection function.
The working principle of the invention is as follows: as shown in fig. 1-6, when in use, the walking motor 54 is started to drive the driving gear 55 to rotate, the driving gear 55 drives the driven gear 56 to rotate, so that the walking wheel 52 rotates and moves along the cable 2, in the moving process, the scanning ring 72 will perform a non-contact detection process on a current signal of the cable 2, when the current signal is abnormal at the fault point position, the scanning ring 72 will position the fault point, and meanwhile, the detection bracket 73 will always receive the torsion elastic force of the torsion spring, so that the detection wheel 74 always abuts against the cable 2, so as to ensure that the detection wheel 74 can perform a continuous contact detection process, thereby realizing an automatic scanning detection function. When the travelling wheel 52 advances to a connection node on the cable 2, the protruding node will push the driving wheel 53 outwards, at this time, the limiting shaft 531 will slide along the limiting groove 511 and squeeze the reset spring 57, and meanwhile, will drive the sliding seat 62 to slide in the limiting sliding table 61, because the first chute 622 and the second chute 612 are perpendicular to each other, the bottom end of the driving rod 63 is limited by the limiting action of the first chute 622 and the second chute 612 in the sliding process of the sliding seat 62, the driving rod 63 is limited by the constraint of the second chute 612 in the sliding process along the first chute 622, so that the driving rod 63 drives the driving rod 64 to slide up and down in the sliding sleeve 65, and when the driving rod 64 slides up under the driving of the driving rod 63, the driving rod 64 drives the detection platforms 71 at two ends to be away from each other through the connecting rod 66, so that a distance can be left between the originally close detection platforms 71, and the protruding node of the cable 2 on the cable 2 can smoothly pass through between the detection platforms 71, thereby realizing the automatic obstacle avoidance function.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (7)
1. The utility model provides a fault point automated inspection's middling pressure looped netowrk cabinet, includes cabinet body (1), be provided with a plurality of cables (2) that are used for connecting electrical equipment in cabinet body (1), a serial communication port, be provided with detection base plate (3) in cabinet body (1), detection base plate (3) are last to be fixedly installed a plurality of detection casings (4) that the interval set up, detection mouth (41) that supply cable (2) passed are all offered at detection casing (4) upper end both ends, every cable (2) one-to-one runs through corresponding detection casing (4), be provided with slide rail (11) on the lateral wall of cabinet body (1) inside both sides, detection base plate (3) both ends adaptation slidable mounting is on slide rail (11);
the detection device is characterized in that a walking assembly (5), an obstacle avoidance transmission assembly (6) and a detection assembly (7) are arranged inside the detection housing (4), the walking assembly (5) is used for driving the detection housing (4) to reciprocate along the cable (2), the detection assembly (7) is connected with the walking assembly (5), the detection assembly (7) moves synchronously along with the walking assembly (5) to realize automatic scanning detection of the cable (2), and the automatic obstacle avoidance function of the detection assembly (7) is realized through the obstacle avoidance transmission assembly (6) in the moving process of the walking assembly (5).
2. The medium-voltage ring main unit for automatic fault point detection according to claim 1, wherein the traveling assembly (5) comprises a fixed support (51), traveling wheels (52), a transmission wheel (53) and a traveling motor (54), the fixed support (51) is fixedly connected with the detection shell (4), two ends of each traveling wheel (52) are rotatably installed between the fixed support (51), a gap for a cable (2) to pass through is formed between each traveling wheel (52) and the corresponding transmission wheel (53), the traveling motor (54) is fixedly arranged on one side of the fixed support (51), the output end of each traveling motor (54) is connected with a driving gear (55), one end of each traveling wheel (52) is sleeved with a driven gear (56), and the driving gear (55) is in toothed connection with the driven gear (56).
3. The medium-voltage ring main unit for automatically detecting fault points according to claim 2, wherein two ends of the driving wheel (53) are rotatably connected with limiting shafts (531), limiting grooves (511) are formed in two sides of the fixing support (51), the limiting shafts (531) are slidably mounted in the limiting grooves (511) in an adapting mode, and a reset spring (57) is arranged between the limiting shafts (531) and the limiting grooves (511).
4. A medium-voltage ring main unit for automatic fault point detection according to claim 3, characterized in that the obstacle avoidance transmission assembly (6) comprises a limiting sliding table (61), a sliding seat (62), a driving rod (63) and a transmission rod (64), the limiting sliding table (61) is fixedly arranged on the outer side of a fixed support (51), the sliding seat (62) is adapted to be slidably mounted in the limiting sliding table (61), the limiting sliding table (61) is provided with a yielding groove (611) matched with the limiting groove (511), the limiting shaft (531) penetrates through the yielding groove (611) and is fixedly connected with the sliding seat (62), a containing cavity (621) is formed in the sliding seat (62), the bottom of the driving rod (63) stretches into the containing cavity (621) and is connected with the sliding seat (62), the top end of the driving rod (63) is in running fit with the transmission rod (64), the transmission rod (64) is adapted to be slidably mounted in a sliding sleeve (65), the sliding sleeve (65) is fixedly arranged on the fixed support (51), and the sliding rod (64) is displaced in the sliding direction perpendicular to the sliding direction of the sliding seat (64).
5. The medium-voltage ring main unit for automatically detecting fault points according to claim 4, wherein the sliding seat (62) is provided with a first chute (622), the limiting sliding table (61) is provided with a second chute (612) perpendicular to the first chute (622), and two sides of the bottom end of the driving rod (63) are simultaneously in sliding fit with the first chute (622) and the second chute (612) through driving pins.
6. The medium-voltage ring main unit for automatically detecting fault points according to claim 5, wherein the detecting assembly (7) comprises two semicircular detecting tables (71) which are symmetrically arranged, a scanning ring (72) is arranged on the inner wall of each detecting table (71), the bottoms of the two ends of each detecting table (71) are rotationally connected with one end of a connecting rod (66), the other end of each connecting rod (66) is rotationally matched with the top end of a transmission rod (64), the tops of the two ends of each detecting table (71) are rotationally connected with a detecting bracket (73) through torsion springs, and detecting wheels (74) are rotationally arranged on the detecting brackets (73).
7. The medium-voltage ring main unit for automatically detecting fault points according to claim 6, wherein guide rods (75) are arranged at two ends of the detection table (71) in a sliding penetrating mode, two ends of the guide rods (75) are fixedly connected with the detection shell (4), and the two detection tables (71) move linearly along the guide rods (75) in opposite directions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310650452.3A CN116381564B (en) | 2023-06-02 | 2023-06-02 | Medium-voltage ring main unit capable of automatically detecting fault points |
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| CN202310650452.3A CN116381564B (en) | 2023-06-02 | 2023-06-02 | Medium-voltage ring main unit capable of automatically detecting fault points |
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| CN116381564B CN116381564B (en) | 2023-08-11 |
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